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sf: Enable byte program support

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Enabled byte program support for sst flashes in sf.

Few controllers will only support BP, so this patch gives
a tx transfer flag to set the BP so-that sf will operate
on byte program transfer.

A new TX operation mode SPI_OPM_TX_BP is introduced for such SPI
controller to use byte program op for SST flash.

Signed-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Jagannadha Sutradharudu Teki 2014-12-12 19:36:14 +05:30 • committed by Simon Glass
parent 74c2cee4e8
commit 54ba653ab6
4 changed files with 20 additions and 12 deletions
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include/spi.h
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@ -34,6 +34,7 @@
/* SPI TX operation modes */
#define SPI_OPM_TX_QPP (1 << 0)
#define SPI_OPM_TX_BP (1 << 1)
/* SPI RX operation modes */
#define SPI_OPM_RX_AS (1 << 0)